In 2005, national health care expenditures in the U.S. totaled $2 trillion–a 6.9% increase from 2004. The rate of increase slowed for the third consecutive year, though it was still higher than the growth in the gross domestic product (GDP).
Centers for Disease Control and Prevention, National Center for Health Statistics. Health, United States, 2007: with chartbook on trends in the health of Americans. Atlanta, GA: Centers for Disease Control and Prevention; November 2007. http://www.cdc.gov/nchs/data/hus/hus07.pdf